RIZIN hold its first event of the year on May 6, with RIZIN 10 in the promotion’s second trip to the Marine Messe Fukuoka in Fukuoka, Japan. Japan’s best MMA fighter today, Kyoji Horiguchi, continues to set out to prove his worth on the world stage when he takes on the former consensus No.1 flyweight in the world, Ian McCall. In the co-headliner of the evening, teenage kickboxing phenom Tenshin Nasukawa returns to the ring against WSOF flyweight champion Yusaku Nakamura. The 19-year-old super prospect Nasukawa has defeated all 29 opponents in his pro career across MMA, kickboxing and Muay Thai rules, including 23 victories by way of stoppage.
| Actor | Role |
|---|---|
 Kyoji HoriguchiNot listed | Not listed |
 Ian McCallNot listed | Not listed |
 Tenshin NasukawaNot listed | Not listed |
| YYusaku NakamuraNot listed | Not listed |
| KKanna AsakuraNot listed | Not listed |
| MMelissa KaragianisNot listed | Not listed |
| YYusuke YachiNot listed | Not listed |
 Diego NunesNot listed | Not listed |
 Daron CruickshankNot listed | Not listed |
| KKoshi MatsumotoNot listed | Not listed |
| IIssei IshiiNot listed | Not listed |
| DDaishin SakaiNot listed | Not listed |
 Kai AsakuraNot listed | Not listed |
 Manel KapeNot listed | Not listed |
 Ayaka HamasakiNot listed | Not listed |
| AAlyssa GarciaNot listed | Not listed |
 Ante DelijaNot listed | Not listed |
| RRicardo PraselNot listed | Not listed |
 Jairzinho RozenstruikNot listed | Not listed |
| AAndrey KovalevNot listed | Not listed |
 Kanako MurataNot listed | Not listed |
 Lanchana GreenNot listed | Not listed |
| HHironori KurokiNot listed | Not listed |
| TTomohiro KitaiNot listed | Not listed |